id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 8748,Problems in admin/form with primary keys in an abstract superclass,trott@…,nobody," My models.py has an abstract superclass, which defines (beside other things) the primary key (as a UID): {{{ class StdHeader(models.Model): """""" Standard header. Each database relation starts with these attributes. """""" pkey = models.CharField(max_length=40, primary_key=True, editable=True) # primary key; an UID def save(self): """"""update of all std header attributes"""""" #... if self.pkey == None or len(self.pkey)==0: self.pkey = uids.uid(self.__class__.__name__) super(StdHeader,self).save() class Meta: abstract = True }}} Now: in later SVN versions (specifically in SVN 8785) there are ""KeyErrors"" in dependend Models: I.E: {{{ class Person(StdHeader): familyname = models.CharField(_('Familyname'),max_length=30) #... class Address(StdHeader): person = models.ForeignKey(Person, null=True, to_field=""pkey"") street = models.CharField(max_length=40, blank=True) #... }}} Adding a record to Person results in: {{{ File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/loader_tags.py"", line 123, in render return t.render(context) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/__init__.py"", line 176, in render return self.nodelist.render(context) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/__init__.py"", line 768, in render bits.append(self.render_node(node, context)) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/debug.py"", line 81, in render_node raise wrapped TemplateSyntaxError: Caught an exception while rendering: ""Key 'pkey' not found in Form"" Original Traceback (most recent call last): File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/debug.py"", line 71, in render_node result = node.render(context) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/defaulttags.py"", line 148, in render nodelist.append(node.render(context)) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/debug.py"", line 87, in render output = force_unicode(self.filter_expression.resolve(context)) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/__init__.py"", line 535, in resolve obj = self.var.resolve(context) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/__init__.py"", line 676, in resolve value = self._resolve_lookup(context) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/template/__init__.py"", line 711, in _resolve_lookup current = current() File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/contrib/admin/helpers.py"", line 134, in pk_field return AdminField(self.form, self.formset._pk_field.name, False) File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/contrib/admin/helpers.py"", line 77, in __init__ self.field = form[field] # A django.forms.BoundField instance File ""/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/django/forms/forms.py"", line 105, in __getitem__ raise KeyError('Key %r not found in Form' % name) KeyError: ""Key 'pkey' not found in Form"" }}} Note: There might be a relation to ticket #8562 as i got the same trace when editing/saving. ",,closed,contrib.admin,dev,,fixed,,,Accepted,0,0,0,0,0,0